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.\" Copyright 2002 Walter Harms (walter.harms@informatik.uni-oldenburg.de)
.\" Distributed under GPL
.\"
.\" Japanese Version Copyright (c) 2003 Akihiro MOTOKI
.\" all rights reserved.
.\" Translated Thu Jul 24 01:47:42 JST 2003
.\" by Akihiro MOTOKI <amotoki@dd.iij4u.or.jp>
.\"
.\"WORD: natural logarithm п
.\"WORD: logarithm п
.\"WORD: exponential ؿ
.\"WORD: inverse function մؿ
.\"
.TH CLOG 3 2002-07-28 "" "complex math routines"
.SH ̾
clog, clogf, clogl \- ʣǿμп
.SH
.B #include <complex.h>
.sp
.BI "double complex clog(double complex " z );
.br
.BI "float complex clogf(float complex " z );
.br
.BI "long double complex clogl(long double complex " z );
.sp
\-lm ǥ롣
.SH
п clog ϡؿؿ cexp εմؿǤ롣
äơ y = clog(z) ʤС z = cexp(y) Ω롣
y εͤ϶ [-pi,pi] 롣
.LP
δطΩ: clog(z) = log(cabs(z))+I*carg(z)
.LP
z Ȥ 0 ˶ᤤͤȡСեᡢ
դɬפǤ롣
.SH
C99
.SH Ϣ
.BR cabs (3),
.BR cexp (3),
.BR clog10 (3),
.BR complex (5)
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